Workmaster

[…] Sathan the workmaster of all mischeef being greved that his own kingdome draweth to an end […] like a slie Serpent setteth snares and pitfalles innumerable, to intrap men and bring them to destruction by policie […]

Source: wiktionary

1703, Richard Neve (pseudonym T. N. Philomath), The City and Countrey Purchaser, and Builder’s Dictionary, London: J. Sprint et al., title page, The Customs, and Methods of Measuring of all Artificers Work, concern’d in Building; together with the City and Countrey Prices, not only of Workmanship, but of Materials also: The which will be extraordinary useful in making of Bargains, or Contracts betwixt the Workmaster and Workman; and likewise in computing the Value (or Charge of Erecting) of any Fabrick, great or small.

Source: wiktionary

When this is over, many fine mats are distributed which are taken to the workmaster. If he is satisfied he accepts the mats, but if he is angry he rejects them.

Source: wiktionary

It was determined upon the day at Spires, on the ninth day of April, in the year, counting from God's birth, 1464 that the workmaster, JOST DOTZINGER, of Worms, workmaster of the high chapter at Strasburg, shall have an assembly of craftsmen in his district, when three or four masters shall be taken and chosen, to come together on a certain day, as they may agree, and what is there determined on by a majority of those who are so congregated in chapters, and who are then present, and how they may decrease or increase some articles, that shall be kept throughout the whole faternity.

Source: wiktionary